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Johnson Controls Introduces the YORK YVWA Water-cooled Screw Chiller

Johnson Controls Introduces the YORK YVWA Water-cooled Screw Chiller

Johnson Controls introduces the YORK® YVWA water-cooled screw chiller. The innovative design of this new chiller, with energy-saving variable-speed technology, helps cut energy costs and carbon emissions by as much as 30 percent, Johnson Controls sources state.

“HVAC systems are the largest consumers of electricity in commercial buildings,” says Mutaz Yaghi, global marketing manager for Johnson Controls. “Johnson Controls has taken water-cooled screw chiller efficiencies to a whole new level, reducing electric consumption, while maintaining the core attributes of flexibility and affordability that users expect from screw compressors.”

The variable-speed drive saves energy during the 99 percent of operating hours spent at off-design conditions, when building loads and/or tower-water temperatures are lower. As a result, the YVWA delivers an Integrated Part Load Value (IPLV) as much as 30 percent better than traditional screw chillers.

The YVWA uses HFC-134a refrigerant, which has zero ozone-depletion potential and no phase-out date. Its innovative design reduces the number of potential leak points by 35 percent.

Because the YVWA screw chiller is capable of handling a higher-pressure lift than a centrifugal chiller, it can be used in both thermal-storage and heat-pump applications. This allows the chiller to use a wide range of heat-rejection methods, including an open cooling tower, dry cooler, adiabatic cooler, heat recovery or heat pump.

Visit www.johnsoncontrols.com/yvwa for additional information.

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